president obama, vice president biden and secretary of state hillary clinton were there to pay their respects. here they are ambassador chris stevens, tyrone woods, sean smith and glen doherty. doherty was working as a diplomatic security officer. here's what his father said. >> i thought he was lucky to survive the four times he has already been over there. put he just laughed at me and said, dad, you're too cautious. >> he's a hero. he was my hero. >> tyrone woods was also a former navy s.e.a.l. and retired two years ago after 20 years of service. here's his ex-wife. >> if you ever wanted anybody to protect you and feel safe, that's your man. i have the highest respect of what he did. he loved what he did. >> sean smith enlisted in the air force when he was just 17. he earned the medal before leaving to work on the civilian side and serving in missions from baghdad to benghazi he leaves behind a wife and two children. chris stevens spent most of the time in his middle east and was instrumental in building relationships with libyan rebel leaders against moammar gadhafi. we'll talk w